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MK.9 or SET

The FP975 is supplied ﬁ tted with a Danfoss Randall SET wallplate.

However the FP975 will also mount directly onto a Danfoss Randall

MK.9 wallplate without the need for wiring changes. However when

used with existing MK.9 wallplates the left hand switch must be set

in the MK.9 position to re-conﬁ gure the time control to match MK.9

wiring connections.

PUMPED or GRAVITY

When this switch is in the PUMPED position the Heating and Water

outputs are UNLINKED. When in the GRAVITY position the Water

output is LINKED to the Heating output so that whenever the

Heating is ON the Water will also be ON regardless of the Water

programme.

Place the switch in the PUMPED position if the system being

controlled is a) fully pumped with a mid-position valve, b) fully

pumped with a two port zone valve in each circuit, c) GRAVITY

Hot Water, PUMPED Heating with a two port zone valve with SPDT

auxiliary switch in the gravity primary circuit (and wired in accordance

with diagrams on pages 9-10).

Place the switch in the GRAVITY position if the system being

controlled is a) fully pumped, but with only a single two port zone

valve in the Heating circuit, b) GRAVITY Hot Water, PUMPED Heating

with no zone valves.

7 Day, 5/2 Day or 24 Hour

When both switches are in the 7 DAY position each day of the

week may be programmed with diﬀ erent ON/OFF times. When the

switch is in the 5 DAY/2 DAY position, weekdays (Mon-Fri) can be

programmed with one set of ON/OFF times, and weekends (Sat-Sun)

can be programmed with a diﬀ erent set. When both switches are in

the 24 hour position the same set of times will be repeated in every

24 hour period.

3.2 New Installation

1. Fix the wallplate to the wall or plaster box as required.

When ﬁ xing the wallplate note that the terminals are at the top,

and the vertical centre line of the unit lies between terminals N

and L.

2. Surface cables can only enter from below the unit. If mounted on

a plaster box, cables can enter from the rear through the aperture

in the wallplate.

Danfoss Heating

For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - [email protected]